fixed hostname function and added HOST_NAME_MAX limit
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parent
2e72b212d3
commit
c7f3a407f4
1 changed files with 3 additions and 2 deletions
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@ -5,6 +5,7 @@
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#include <arpa/inet.h>
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#include <arpa/inet.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <ifaddrs.h>
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#include <ifaddrs.h>
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#include <limits.h>
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#include <locale.h>
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#include <locale.h>
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#include <netdb.h>
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#include <netdb.h>
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#include <stdarg.h>
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#include <stdarg.h>
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@ -212,7 +213,7 @@ entropy(const char *null)
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char *
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char *
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hostname(const char *null)
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hostname(const char *null)
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{
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{
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char *hostname = "";
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char hostname[HOST_NAME_MAX];
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FILE *fp;
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FILE *fp;
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/* open hostname file */
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/* open hostname file */
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@ -222,7 +223,7 @@ hostname(const char *null)
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}
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}
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/* extract hostname */
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/* extract hostname */
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fscanf(fp, "%s", hostname);
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fscanf(fp, "%s\n", hostname);
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/* close hostname file */
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/* close hostname file */
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fclose(fp);
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fclose(fp);
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